chdkcamera: Fix name of 'record' mode (was 'rec')
chdkcamera: Fix name of 'record' mode (was 'rec')

miloh/spreads,gareth8118/spreads,adongy/spreads,adongy/spreads,miloh/spreads,DIYBookScanner/spreads,gareth8118/spreads,miloh/spreads,gareth8118/spreads,nafraf/spreads,DIYBookScanner/spreads,nafraf/spreads,DIYBookScanner/spreads,nafraf/spreads,adongy/spreads